the other suspect was his brother, tamerlan. he was shot and killed overnight during a police chase. >> a short time ago the suspects' uncle, russian, spoke to reporters outside his maryland home. he said the family knew nothing about their activities. he called on his nephew to turn himself in. >> of course, what a shame! yes, what a shame! they're children of my brother! who has little influence of them, honestly, as much as i know what little influence of them. >> have you had any contact with them? >> it's personal. it's personal. i just want -- i just wanted my family to stay away from them. again, i say what i think what's behind it, being losers, not being able to settle themselves and thereby hating everyone. i've been in the united states -- oh, they? they came early 2000, 2003. >> why do they live in massachusetts? >> they came to -- when they moved to the states, they came to the cambridge area. >> why? >> they immigrated. >> were they going to school? >> they lived there. >> did they go to college? >> well, i hope th